mondrian.olap.fun
Class SetFunDef

java.lang.Object
  org.eigenbase.xom.XMLUtil
      org.eigenbase.xom.XOMUtil
          mondrian.olap.Util
              mondrian.olap.fun.FunUtil
                  mondrian.olap.fun.FunDefBase
                      mondrian.olap.fun.SetFunDef

All Implemented Interfaces:

FunDef

public class SetFunDef
extends FunDefBase

SetFunDef implements the 'set' function (whose syntax is the brace operator, { ... }).

Since:

3 March, 2002

Author:

jhyde

Nested Class Summary

static class	SetFunDef.ExprIterCalc Compiled expression that evaluates one or more expressions, each of which yields a tuple or a set of tuples, and returns the result as a tuple iterator.
static class	SetFunDef.SetListCalc Compiled expression to implement the MDX set function, { ...

Nested classes/interfaces inherited from class mondrian.olap.fun.FunUtil

FunUtil.DescendingValueComparator, FunUtil.Flag, FunUtil.ObjIntPair<T>, FunUtil.OrderKey, FunUtil.Quicksorter<T>, FunUtil.SetWrapper, FunUtil.SortKeySpec, FunUtil.TupleExpMemoComparator

Nested classes/interfaces inherited from class mondrian.olap.Util

Util.AbstractFlatList<T>, Util.ErrorCellValue, Util.Flat2List<T>, Util.Flat3List<T>, Util.Functor1<RT,PT>, Util.GcIterator<T>, Util.MemoryInfo, Util.PropertyList, Util.SqlNullSafeComparator

Field Summary

(package private) static mondrian.olap.fun.SetFunDef.ResolverImpl

Resolver

Fields inherited from class mondrian.olap.fun.FunDefBase

flags, parameterCategories, returnCategory, signature

Fields inherited from class mondrian.olap.fun.FunUtil

BooleanNull, DoubleEmpty, DoubleNull, emptyStringArray, IntegerNull, NullMember

Fields inherited from class mondrian.olap.Util

DEBUG, EmptyValue, IBM_JVM, JdbcVersion, nl, nullValue, PreJdk15, PreJdk16, Retrowoven

Constructor Summary

SetFunDef(Resolver resolver, int[] argTypes)

Method Summary

Calc	compileCall(ResolvedFunCall call, ExpCompiler compiler) Converts a call to this function into executable objects.
Type	getResultType(Validator validator, Exp[] args) Returns the type of a call to this function with a given set of arguments. The default implementation makes the coarse assumption that the return type is in some way related to the type of the first argument.
void	unparse(Exp[] args, PrintWriter pw) Converts a function call into MDX source code.
static ResolvedFunCall	wrapAsSet(Exp... args) Creates a call to the set operator with a given collection of expressions.

Methods inherited from class mondrian.olap.fun.FunDefBase

castType, createCall, getDescription, getName, getParameterCategories, getReturnCategory, getSignature, getSyntax, validateArg

Methods inherited from class mondrian.olap.fun.FunUtil

addMembers, addMembers, addUnique, ancestor, appendTuple, avg, box, box, checkCompatible, checkIterListResultStyles, checkListResultStyles, compareHierarchically, compareSiblingMembers, compareValues, compareValues, correlation, count, cousin, covariance, createDummyFunDef, decodeCategory, decodeParameterCategories, decodeReturnCategory, decodeSyntacticType, equalTuple, evaluateMembers, evaluateSet, evaluateSet, evaluateTuples, getDimensionDefaultHierarchy, getLiteralArg, getLiteralArg, getNonEmptyLevelMembers, getNonEmptyMemberChildren, hierarchizeMemberList, hierarchizeTupleList, hierarchyMembers, isAncestorOf, levelMembers, makeNullMember, makeNullTuple, max, memberRange, min, newEvalException, newEvalException, newEvalException, parseMember, parseMemberList, parseTuple, parseTupleList, partiallySortMembers, partiallySortTuples, partialSort, percentile, periodsToDate, quartile, removeCalculatedMembers, removeCalculatedMembers, resolveFunArgs, sortMembers, sortMembers, sortTuples, sortTuples, stablePartialSort, stdev, sum, sumDouble, sumDouble, toPercent, tupleContainsNullMember, tupleContainsNullMember, var, worthCaching

Methods inherited from class mondrian.olap.Util

addDatabaseTime, addLevelCalculatedMembers, append, appendArrays, areOccurencesEqual, assertPostcondition, assertPostcondition, assertPrecondition, assertPrecondition, assertTrue, assertTrue, badValue, binarySearch, camelToUpper, canCast, cancelAndCloseStatement, caseSensitiveCompareName, cast, cast, castToIterable, checkCJResultLimit, commaList, compare, compareKey, compareName, compileScript, convert, convert, convertOlap4jConnectStringToNativeMondrian, convertStackToString, copyOf, copyOf, copyOf, copyOf, copyOf, createExpr, createRandom, createRootRole, createSimpleValidator, createUdf, dbTimeMillis, deprecated, deprecated, digestMd5, digestSha256, equal, equalName, equals, equals, executeDistributedTasks, filter, flatList, flatList, flatListCopy, generateUuidString, genericArray, getAnnotation, getDimensionCube, getErrorMessage, getErrorMessage, getExecutorService, getExecutorService, getExecutorService, getFirstDescendantOnLevel, getMatchingCause, getMemberOrdinalInParent, getMemoryInfo, getScheduledExecutorService, hash, hash, hashArray, identityFunctor, implode, intersect, isBlank, isEmpty, isNull, isSorted, isValidProperty, lookup, lookup, lookup, lookup, lookup, lookupCompound, lookupCompound, lookupHierarchyLevel, lookupHierarchyRootMember, lookupHierarchyRootMember, lookupProperty, makeBigDecimalFromDouble, makeFqName, makeFqName, makeFqName, maskVersion, matches, mdxEncodeString, needToImplement, newElementNotFoundException, newError, newError, newIdentityHashSet, newIdentityHashSetFake, newInternal, newInternal, newTimer, nonDbTimeMillis, normalizeName, parseCommaList, parseConnectString, parseIdentifier, parseLocale, printMemory, printMemory, quoteForMdx, quoteForMdx, quoteJavaString, quoteMdxIdentifier, quoteMdxIdentifier, quoteMdxIdentifier, quoteMdxIdentifier, quotePattern, readFully, readFully, readURL, readURL, readURL, readVirtualFile, readVirtualFileAsString, replace, replace, replaceProperties, safeGet, singleQuoteString, singleQuoteString, sort, sort, threadLocalRemove, toMap, toOlap4j, toOlap4j, toOlap4j, toURL, trueFunctor, unexpected, uniquify, unparse, unparse, wildcardToRegexp

Methods inherited from class org.eigenbase.xom.XOMUtil

addChild, addChild, addChildren, addElement, concatenate, createDefaultParser, discard, discard, discard, discard, discard, discard, discard, discard, discard, getFirstInstance, wrapperToXml

Methods inherited from class org.eigenbase.xom.XMLUtil

getFirstTagName, printAtt, printAtt, printAtt, printAtt, printPCDATA, printPCDATA, printPCDATA, quoteAtt, quoteAtt, quoteAtt, quoteAtt, quotePCDATA, stringEncodeXML, stringHasXMLSpecials

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

Resolver

static final mondrian.olap.fun.SetFunDef.ResolverImpl Resolver

Constructor Detail

SetFunDef

SetFunDef(Resolver resolver,
          int[] argTypes)

Method Detail

unparse

public void unparse(Exp[] args,
                    PrintWriter pw)

Description copied from interface: FunDef

Converts a function call into MDX source code.

Specified by:

unparse in interface FunDef

Overrides:

unparse in class FunDefBase

getResultType

public Type getResultType(Validator validator,
                          Exp[] args)

Description copied from class: FunDefBase

Returns the type of a call to this function with a given set of arguments.

The default implementation makes the coarse assumption that the return type is in some way related to the type of the first argument. Operators whose arguments don't follow the requirements of this implementation should override this method.

If the function definition says it returns a literal type (numeric, string, symbol) then it's a fair guess that the function call returns the same kind of value.

If the function definition says it returns an object type (cube, dimension, hierarchy, level, member) then we check the first argument of the function. Suppose that the function definition says that it returns a hierarchy, and the first argument of the function happens to be a member. Then it's reasonable to assume that this function returns a member.

Overrides:

getResultType in class FunDefBase

Parameters:

validator - Validator

args - Arguments to the call to this operator

Returns:

result type of a call this function

compileCall

public Calc compileCall(ResolvedFunCall call,
                        ExpCompiler compiler)

Description copied from interface: FunDef

Converts a call to this function into executable objects.

The result must implement the appropriate interface for the result type. For example, a function which returns an integer must return an object which implements IntegerCalc.

Specified by:

compileCall in interface FunDef

Overrides:

compileCall in class FunDefBase

wrapAsSet

public static ResolvedFunCall wrapAsSet(Exp... args)

Creates a call to the set operator with a given collection of expressions.

There must be at least one expression. Each expression may be a set of members/tuples, or may be a member/tuple, but method assumes that expressions have compatible types.

Parameters:

args - Expressions

Returns:

Call to set operator